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From b2773506c602407fc15219c75ec673d4bd0c2d82 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 23 Oct 2013 21:31:42 +0000
Subject: [PATCH 25/44] drm/radeon/dpm: retain user selected performance level
across state changes
If the user has forced the state high or low, retain that preference
even when we switch power states.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=70654
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/radeon/radeon_pm.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 41ca652..5febb25 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -918,12 +918,16 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
radeon_dpm_post_set_power_state(rdev);
if (rdev->asic->dpm.force_performance_level) {
- if (rdev->pm.dpm.thermal_active)
+ if (rdev->pm.dpm.thermal_active) {
+ enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;
/* force low perf level for thermal */
radeon_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_LOW);
- else
- /* otherwise, enable auto */
- radeon_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
+ /* save the user's level */
+ rdev->pm.dpm.forced_level = level;
+ } else {
+ /* otherwise, user selected level */
+ radeon_dpm_force_performance_level(rdev, rdev->pm.dpm.forced_level);
+ }
}
done:
--
1.7.9.5
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